William dengler



(No Model.)

W. DENGLER. NOSE GUARD FOR EYEGLASSES.

No. 442,022; Patented Dec. 2, 1890.

A TTOHNEYS UNITED STATES \VILLIAM DENGLEB,

PATENT OFFICE.

OF NE\V YORK, N. Y.

NOSE-GUARD FOR. EYEGLASSES.

SPECIFICATION forming part of Letters Patent No. 442,022, dated December2, 1890.

Application filed larch 1, 1890.

To all whom it may concern:

Be it known that 1, WILLIAM DENGLER,Of New York, in the county and Stateof New York, have invented a new and Improved Guard for Eyeglasses, ofwhich the following is a full, clear, and exact description.

This invention relates to an improvement in the construction ofeyeglass-guards of a type in which projecting noseguards and clamps areemployed in pairs to retain the glasses in place upon the nose of thewearer. As usually constructed, duplicate clampingguards of the stylenamed are held projected at a proper angle by two integral limbs foreach clamping-plate, which limbs, considered in pairs, diverge from thepoint of attachtice that when the limbs of the nose-clamps oreyeglass-guards are secured in the ordinary way by binding-screws thatpass through the limbs where they branch, then through the perforatedends of the bow-spring, and into the threaded perforations of the posts,

' depending alone on the frictional contactof the parts to retain themin proper adjustment, said arrangement soon becomes loose and therelative position of parts altered, so

as to injure the utility of the device and its convenience in use.

The object of this invention is to improve the construction of thenose-guards and increase their stability at the points of junction ofthe bow-spring and guard-limbs with the posts, so that twisting of theparts and consequent dislocation of the same are prevented and lateralstrain on the binding screws obviated.

To this end my invention consists in the construction and combination ofparts, as is hereinafter described, and indicated in the claims.

Reference is to be had to the accompanying drawings, forming a part ofthis specification,

Serial No. 342,222. (No model.)

in which similar letters of-reference indicate corresponding parts inall the figures.

Figure l is a frontface view of the clamping mechanism for eyeglassesand portions of the lenses secured to the same. Fig. 2 is an enlargedview of one of the clamping-posts.

Fig. 3 is an enlarged view of one of the lower limbs which engage a postand one end of a clamping-plate. Fig. 4 is a View of one of the upperconnecting-limbs for a post and clampingplate. Fig. 5 is a partialenlarged detail view of the flanged end of one of the posts, showing thelimbs and the bow-spring end in position for attachmentthereto. Fig. 6is a side view of one of the posts, a lower limb, a clamping-plate, anda portion of the bowspring connected thereto, showing the relativeposition of these parts; and Fig. 7 is an edge view, in dotted lines, ofone of the lenses and the supporting attachments in connection with thesame, the bow-spring being broken away on the line 7 7 in Fig. 1-, theparts being viewed in the direction of the arrow in said view.

The posts A of the eyeglasses, as shown, are adapted to be clipped andriveted upon the lenses; but the usual metal rims may also be formedintegral with the posts and by contact with the edges of the lenses Bhold the same connected to the posts.

Upon the neck of the post A (see Figs. 2 and 5) two flanges a a, areformed parallel and sutficiently separated to receive other partsbetween, as will be explained, one flange a having a central portionremoved,prodnc ing an open recess for the reception of the limb b, whichthe standing portions of said flange a will closely fit against.

There are two limbs b 0 provided to connect the clamping-plate C withthe post A. The upper one I), already mentioned, has a square orrectangular flat end portion b integrally formed on it, which iscentrally perforated to admit the insertion of a bindingscrew (I, whichscrew penetrates an axiallyformed threaded perforation in the post A, asshown in dotted lines in Fig. 6, opposite edges of the end portion 1).closely engaging the flangesa a of the post when the upper limb b is inplace. The upper end portion 0 of the lower limb c is rectangular on itsedges, so as to fit between also flattened and made ICO the flanges do.on the post A without looseness', said enlarged end being centrallyperforated to allow the binding-screwd to pass through it.

One of the terminal ends of the bow-spring D is inserted between theflanges a a of post A, that closely embrace its parallel edges, and aperforation in the same is made to align with the hole in the postwhen-properly adjusted thereon.

It will be seen that when the spring-bowD and appropriate ends of theupper limb b and lower limb care placed in proper order within theembrace of the flanges Ct a, the insertion of the binding-screw at willsecure all these pieces firmly upon the post A in a neat and substantialmanner. The upper limb 1) projects inwardly from the side of thepost A,and is attached to the upper terminal of the elampi'ngplate C, said limband plate being suitably curved to throw the plate into position forcomfortableengagement with the nose of' the wearer'of' the glasses.

The lower linrbc, that aligns with the bowspri-ng D, where it is securedin the post A,

is downwardly and inwardly projected, so

as tohave engagementwith the lower end of the clamping-plate O, andafford the latter a proper set or degree of angular projection inwardlyand laterally.

It will be understood that the posts A,

limbs 19 c, and clanrping-plates'C are alikefor snpportof' each lens B,so that when thebowspring Dis connected therewith, as represented inFig. 1, a strong, easy-fitting, and elegant device is produced. I

- It should be here explained that the use of flanges on the posts A isnot claimed as broad-1y new, parallel flanges for retention of thespring-bow and integral limbs having been in use prior to thisinvention. The essential feature herein shown consists in the provisionof the independent limbs 11 c and their retention at right angles toeach other in the manner shown and described, the provision of abisected flange a, being necessary to properly carry into effect theobject sought, which is to afford a light and strong attachment of thenose-guard to the lenses of an eyeglass. V

. Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is

1. A clamping-guard attachment for eyeglasses, consisting oftwoindependentlimbs secured by one end of each tothe ends of anose-clamping plate and having their other ends held by a binding-screwto the lens-post, said post being provided with parallel flanges thathave close contact with oppojsite' edges of the inserted limb' ends, oneflange being bisected, the upper limb being extended through saidbisected flange of the post, substantially as set forth.

2; In eyeglasses, the combination, with two lenses and frame-poststherefor which have parallel flanges on their ends, one flange of eachpost being bisected to receive an upper limb of thenose gu'ard, of anupper limb and a Iower'limb for each post, a clamping-plate for eachpair'of independent limbs, a spring-bow, and'a binding-screw for" eachpost, substantially as set forth.

WVILLIAM .DENGLER.

W'itnesses:

E. M. CLARK, C. SEDGWIGK.

